June 5, 2008

United States Securities and Exchange Commission
Division of Corporation Finance
100 F Street NE
Washington, DC 20549-7010

Attn:	H. Roger Schwall
	Assistant Director
	Division of Corporate Finance
Re:	Apache Corporation
	Form 10-K for Fiscal Year Ended December 31, 2007
	Filed February 29, 2008
	Response Letter Dated April 14, 2008
	Form 10-Q for Fiscal Quarter Ended March 31, 2008
	Filed May 12, 2008
	File No. 1-4300

Ladies and Gentlemen:

Pursuant to our conversation today with James Murphy via telephone, because several members of our management team are currently traveling internationally on business, we will respond on or before June 23, 2008 to the staff’s comment letter dated May 27, 2008, regarding Apache Corporation’s Form 10-K for the year ended December 31, 2007, filed February 29, 2008 (File No. 001-04300). We appreciate your understanding.

If any member of the Staff has any questions, he or she should contact the undersigned at (713) 296-6106.

Respectfully,

APACHE CORPORATION
 

 
/s/ Roger B. Plank

Roger B. Plank 

Executive Vice President and Chief Financial Officer